#63A478
Closest named color: Tea (#65AB7C). oklch(66.3% 0.094 153.5), rgb(99, 164, 120).
Aa
Black text reads best on this color (7.11:1).
About this color
#63A478 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.094 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.020 away. Black text reads best on it, at 7.11:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #63A478 |
| RGB | rgb(99, 164, 120) |
| HSL | hsl(139, 26%, 52%) |
| OKLCH | oklch(66.3% 0.094 153.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63A478 | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #63A478 | 7.11:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #63A478 text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #63A478 text on black | 7.11:1 | AAA | Lc -45.9 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED1
oklch(88.4% 0.025 152.8)
-
Step 300
300
#ABCAB3
oklch(81% 0.046 153.2)
-
Step 400
400
#7DAE8B
oklch(70.6% 0.073 153.2)
-
Step 500
500 (this color)
#63A478
oklch(66.3% 0.094 153.5)
-
Step 600
600
#3C8457
oklch(55.5% 0.101 154)
-
Step 700
700
#2E7047
oklch(49.1% 0.094 153.7)
-
Step 800
800
#275B3A
oklch(42.6% 0.079 153.6)
-
Step 900
900
#254B32
oklch(37.7% 0.061 153.5)
-
Step 950
950
#162C1D
oklch(27% 0.04 153.2)
#63A478 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A49A75 | 0.084 |
| Deuteranopia (no green cones) | #9A937B | 0.082 |
| Tritanopia (no blue cones) | #57A298 | 0.048 |
| Achromatopsia (no color) | #969696 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A478
#63A478
oklch(66.3% 0.094 153.5)
- #B67DAB
#B67DAB
oklch(66.2% 0.094 333.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63A478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.020
- Dusty Green #76A973 ΔE 0.028
- Greeny Grey #7EA07A ΔE 0.032
- Dull Green #74A662 ΔE 0.034
- Algae #54AC68 ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.042
- Grey Green #86A17D ΔE 0.043
Use #63A478 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.